231203232303203 has 2 divisors, whose sum is σ = 231203232303204. Its totient is φ = 231203232303202.

The previous prime is 231203232303077. The next prime is 231203232303209. The reversal of 231203232303203 is 302303232302132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231203232303203 - 2³⁰ = 231202158561379 is a prime.

It is a super-2 number, since 2×231203232303203² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (231203232303209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115601616151601 + 115601616151602.

It is an arithmetic number, because the mean of its divisors is an integer number (115601616151602).

Almost surely, 2^{231203232303203} is an apocalyptic number.

231203232303203 is a deficient number, since it is larger than the sum of its proper divisors (1).

231203232303203 is an equidigital number, since it uses as much as digits as its factorization.

231203232303203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 29.

Adding to 231203232303203 its reverse (302303232302132), we get a palindrome (533506464605335).

The spelling of 231203232303203 in words is "two hundred thirty-one trillion, two hundred three billion, two hundred thirty-two million, three hundred three thousand, two hundred three".